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Please submit at least 250 words for this portion of the discussion forum. Discuss the main characteristics of the database approach and how it differs from traditional file systems. With what other computer system software does a DBMS interact?
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Design a Database schema
what do you think is the wisdom of maintaining 2 models? The W3C has a Document Object Model as a recommendation. Do you think browsers should implement this model? If not, propose a model which you think would be suitable.
Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization, consider the four options presented
Analyze the main advantages and disadvantages of using data analytics within the industry or company that you have chosen
Define a structural model. Why should a systems analyst create one? Give an example of class cohesion for a class named SUPPLIER for your example that supplies car parts. List some of its attributes and at least two OPERATIONS (methods) that would..
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
Import your IDEF1X diagram into Oracle and create the appropriate tables and relationships. Your design should include a specification of tables, attributes, primary and foreign keys, referential integrity constraints, and referential integrity ac..
What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure?
document flowchart for the order processing system, and data flow diagram DFD at Level 0 for the order processing system.
Prove that, if R is in 3NF and every key is simple, then R is in BCNF.
What are the responsibilities of a DBA? If we assume that the DBA is never interested in running his or her own queries, does the DBA still need to understand query optimization? Why?
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